Table 6 |
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|
Associations of childhood and adulthood farming residences and occupations with PD. |
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|
% Exposed* |
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|
|
|||||
|
Cases, n = 319 |
Controls, n = 296 |
p for trend (GEE model 1)** |
OR and 95% CI (GEE model 2)** |
||
|
|
|||||
|
History of farming |
|||||
|
Ever |
50.8 |
47.0 |
1.11 |
0.80–1.54 |
|
|
Never |
47.6 |
51.4 |
1.00 |
Referent |
|
|
Duration (years) |
0.38 |
||||
|
>26 |
17.9 |
15.2 |
1.25 |
0.80–1.96 |
|
|
16–26 |
16.9 |
16.2 |
1.14 |
0.73–1.78 |
|
|
<16 |
16.0 |
15.2 |
1.07 |
0.64–1.77 |
|
|
Never |
47.6 |
51.4 |
1.00 |
Referent |
|
|
|
|||||
|
*Column totals may not sum to 100 due to rounding or missing data. **GEE model adjusted for AAE, sex, cigarette smoking, and caffeine consumption. |
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|
Hancock et al. BMC Neurology 2008 8:6 doi:10.1186/1471-2377-8-6 |
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